(1 point). Listen.
A patient has orthostatic hypotension.
Which activity will require close observation by the nurse? When the patient:.
Sleeps.
Exercises.
Sits down.
Stands up.
The Correct Answer is B
Choice A rationale:
Sleeping is not a significant factor in orthostatic hypotension. When a patient is sleeping, they are typically lying down, and orthostatic hypotension is related to changes in posture, not during sleep.
Choice B rationale:
Exercising can exacerbate orthostatic hypotension because it increases the demand on the cardiovascular system. When a patient exercises, their heart rate and blood pressure can increase significantly. In the case of orthostatic hypotension, there's a risk of a more pronounced drop in blood pressure when transitioning to an upright position after exercise. Therefore, exercising requires close observation in these patients.
Choice C rationale:
Sitting down is a relatively stable position, and orthostatic hypotension primarily involves changes from a sitting or lying position to a standing position. Sitting down doesn't typically worsen orthostatic hypotension.
Choice D rationale:
Standing up is a crucial moment when dealing with orthostatic hypotension. When a patient with orthostatic hypotension stands up, there is a risk of a significant drop in blood pressure, which can lead to symptoms like dizziness or fainting. This is why standing up requires close observation. Now, let's move on to the next question.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
A temporary increase in contractile activity would not typically occur in the myocardial cells surrounding a myocardial infarction. During a myocardial infarction, the affected area of the heart experiences a lack of blood supply, leading to cell damage. The damaged cells cannot increase contractile activity; instead, they may become dysfunctional or die.
Choice B rationale:
An increased metabolism is not a characteristic change in myocardial cells surrounding a myocardial infarction. The infarcted area often experiences reduced metabolism due to reduced blood flow and oxygen supply, leading to cellular damage and dysfunction.
Choice D rationale:
Necrosis is a common outcome in myocardial cells surrounding an infarct. However, this is not the immediate change that occurs but rather the eventual result of ischemic injury. During an acute myocardial infarction, cellular changes such as inflammation and eventual necrosis take place, leading to tissue damage. Now, let's move on to the next question:
Correct Answer is B
Explanation
Choice A rationale:
A 76-year-old man with congestive heart failure may experience superior vena cava syndrome (SVCS) due to the increased pressure in the superior vena cava, but SVCS is more commonly associated with malignancies that compress or invade the superior vena cava. While this patient may be at risk for SVCS, the woman with bronchogenic cancer in choice B is at higher risk.
Choice B rationale:
The correct choice. Patients with bronchogenic cancer, particularly lung cancer, are at a higher risk of developing superior vena cava syndrome (SVCS) due to tumor invasion or compression of the superior vena cava. SVCS can cause a range of symptoms, including facial and upper body swelling, dilated neck veins, and difficulty breathing.
Choice C rationale:
A 26-year-old woman who has just delivered her first child is unlikely to develop superior vena cava syndrome (SVCS) as a result of childbirth. SVCS is more commonly associated with malignancies or other factors that cause obstruction or compression of the superior vena cava.
Choice D rationale:
A 6-year-old child with severe asthma is less likely to develop SVCS compared to adults, as SVCS is primarily associated with malignancies and other conditions that lead to obstruction of the superior vena cava. While severe asthma can cause respiratory distress, it is not a typical cause of SVCS in children. .
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